Databases Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Oracle (3253)
SQL Server (4518)
MS Access (429)
MySQL (1402)

Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)

DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)

Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)

Database Management (1411)
Databases AllOther (288)

Databases Interview Questions

Questions Answers Views Company eMail

What do you mean by mainframe connect tool in sybase?

1 959

List some of the products of sybase.

1 940

Explain the difference between numeric and decimal data types in sybase.

1 943

Explain procedure cache and data cache in sybase.

1 959

Name the sql joins that are available in informix.

1 140

What is a database object in ibm informix?

1 136

List down the features of informix 4gl.

1 112

Explain about informix 4gl.

1 123

What is the use of key-value locking in informix?

1 114

Explain the informix instance.

1 130

What is a light scan in informix?

1 121

What are the informix isolation levels?

1 184

What is the role of binary large object in informix?

1 125

What is the use of extent in informix?

1 111

What is couchdb?

1 37

Un-Answered Questions { Databases }

This question asked during interview, 2) At the end of each month, a new table is created for each bank that contains monthly metrics consolidated at the account level. The table naming convention is bankX_YYYYMM where X represents the numeric designation of the bank and YYYYMM indicates the 4 digit year and 2 digit month. The tables contain the following fields: name data type description account text account number registered boolean indicates whether the account is registered num_trans integer number of transactions made during the time period spend numeric(9,2) total spend during the time period a) Write a SQL query that will display the total number of transactions and total spend for "Bank1" during the 4th quarter of 2009. b) Write a SQL query that will display the total number of transactions and total spend at "Bank1" and "Bank2", broken out by registered vs. non-registered accounts, during January 2010 not sure what is correct answer and how to solve?

2553

What are the two main functions of queries in databases?

1518

what is the age limit for groups1 examination

2330

Can we make the the chages By Using the Sql if u know any function or process please inform me Actuall result: BRK1 Break 1 Part 1 00:01:00:00 60 BRK1 Break 1 Part 2 00:01:00:00 60 BRK2 Break 2 Part 1 00:01:00:00 60 BRK2 Break 2 Part 2 00:01:00:00 60 BRK2 Break 2 Part 3 00:01:00:00 60 BRK3 Break 3 Part 1 00:01:00:00 60 BRK3 Break 3 Part 2 00:01:00:00 60 Desired O/P: BRK1 Break 1 Part 1 00:01:00:00 60 Part 2 00:01:00:00 60 BRK2 Break 2 Part 1 00:01:00:00 60 Part 2 00:01:00:00 60 Part 3 00:01:00:00 60

2291

What is the current version of postgresql?

1151

How raid can influence database performance?

1102

Where can you add custom error messages to sql server?

1197

What are the advantages of database?

1007

please send me oracle pl/sql exp resume. and also faqs...

2563

What is the best sql course?

1038

Have you used lexical parameters in reports?

what ASIS BUSINESS PROCESS IN ORACLE FINANCE

2343

What are wait types?

1228

What is standby servers? Explain types of standby servers.

1067

What are the different subsets of sql?

1641

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